/**
 * 通用js方法封装处理
 * Copyright (c) 2021 witvsp
 */

 const baseURL = process.env.VUE_APP_BASE_API

 // 日期格式化
 export function parseTime(time, pattern) {
     if (arguments.length === 0 || !time) {
         return null
     }
     const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
     let date
     if (typeof time === 'object') {
         date = time
     } else {
         if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
             time = parseInt(time)
         } else if (typeof time === 'string') {
             time = time.replace(new RegExp(/-/gm), '/').replace('T', ' ').replace(new RegExp(/\.[\d]{3}/gm),'');
         }
         if ((typeof time === 'number') && (time.toString().length === 10)) {
             time = time * 1000
         }
         date = new Date(time)
     }
     const formatObj = {
         y: date.getFullYear(),
         m: date.getMonth() + 1,
         d: date.getDate(),
         h: date.getHours(),
         i: date.getMinutes(),
         s: date.getSeconds(),
         a: date.getDay()
     }
     const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
         let value = formatObj[key]
         // Note: getDay() returns 0 on Sunday
         if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
         if (result.length > 0 && value < 10) {
             value = '0' + value
         }
         return value || 0
     })
     return time_str
 }
 
 // 表单重置
 export function resetForm(refName) {
     if (this.$refs[refName]) {
         this.$refs[refName].resetFields();
     }
 }
 
 // 添加日期范围
 export function addDateRange(params, dateRange, propName) {
     let search = params;
     search.params = typeof (search.params) === 'object' && search.params !== null && !Array.isArray(search.params) ? search.params : {};
     dateRange = Array.isArray(dateRange) ? dateRange : [];
     if (typeof (propName) === 'undefined') {
         search.params['beginTime'] = dateRange[0];
         search.params['endTime'] = dateRange[1];
     } else {
         search.params['begin' + propName] = dateRange[0];
         search.params['end' + propName] = dateRange[1];
     }
     return search;
 }
 
 // 回显数据字典
 export function selectDictLabel(datas, value) {
     var actions = [];
     Object.keys(datas).some((key) => {
         if (datas[key].value == ('' + value)) {
             actions.push(datas[key].label);
             return true;
         }
     })
     return actions.join('');
 }
 
 // 回显数据字典（字符串数组）
 export function selectDictLabels(datas, value, separator) {
     var actions = [];
     var currentSeparator = undefined === separator ? "," : separator;
     var temp = value.split(currentSeparator);
     Object.keys(value.split(currentSeparator)).some((val) => {
         Object.keys(datas).some((key) => {
             if (datas[key].dictValue == ('' + temp[val])) {
                 actions.push(datas[key].dictLabel + currentSeparator);
             }
         })
     })
     return actions.join('').substring(0, actions.join('').length - 1);
 }
 
 // 通用下载方法
 export function download(fileName) {
     window.location.href = baseURL + "/common/download?fileName=" + encodeURI(fileName) + "&delete=" + true;
 }
 
 // 字符串格式化(%s )
 export function sprintf(str) {
     var args = arguments, flag = true, i = 1;
     str = str.replace(/%s/g, function () {
         var arg = args[i++];
         if (typeof arg === 'undefined') {
             flag = false;
             return '';
         }
         return arg;
     });
     return flag ? str : '';
 }
 
 // 转换字符串，undefined,null等转化为""
 export function praseStrEmpty(str) {
     if (!str || str == "undefined" || str == "null") {
         return "";
     }
     return str;
 }
 
 // 数据合并
 export function mergeRecursive(source, target) {
     for (var p in target) {
         try {
             if (target[p].constructor == Object) {
                 source[p] = mergeRecursive(source[p], target[p]);
             } else {
                 source[p] = target[p];
             }
         } catch(e) {
             source[p] = target[p];
         }
     }
     return source;
 };
 
 /**
  * 构造树型结构数据
  * @param {*} data 数据源
  * @param {*} id id字段 默认 'id'
  * @param {*} parentId 父节点字段 默认 'parentId'
  * @param {*} children 孩子节点字段 默认 'children'
  */
 export function handleTree(data, id, parentId, children) {
     let config = {
         id: id || 'id',
         parentId: parentId || 'parentId',
         childrenList: children || 'children'
     };
 
     var childrenListMap = {};
     var nodeIds = {};
     var tree = [];
 
     for (let d of data) {
         let parentId = d[config.parentId];
         if (childrenListMap[parentId] == null) {
             childrenListMap[parentId] = [];
         }
         nodeIds[d[config.id]] = d;
         childrenListMap[parentId].push(d);
     }
 
     for (let d of data) {
         let parentId = d[config.parentId];
         if (nodeIds[parentId] == null) {
             tree.push(d);
         }
     }
 
     for (let t of tree) {
         adaptToChildrenList(t);
     }
 
     function adaptToChildrenList(o) {
         if (childrenListMap[o[config.id]] !== null) {
             o[config.childrenList] = childrenListMap[o[config.id]];
         }
         if (o[config.childrenList]) {
             for (let c of o[config.childrenList]) {
                 adaptToChildrenList(c);
             }
         }
     }
     return tree;
 }
 
 /**
 * 参数处理
 * @param {*} params  参数
 */
 export function tansParams(params) {
     let result = ''
     for (const propName of Object.keys(params)) {
         const value = params[propName];
         var part = encodeURIComponent(propName) + "=";
         if (value !== null && typeof (value) !== "undefined") {
             if (typeof value === 'object') {
                 for (const key of Object.keys(value)) {
                     if (value[key] !== null && typeof (value[key]) !== 'undefined') {
                         let params = propName + '[' + key + ']';
                         var subPart = encodeURIComponent(params) + "=";
                         result += subPart + encodeURIComponent(value[key]) + "&";
                     }
                 }
             } else {
                 result += part + encodeURIComponent(value) + "&";
             }
         }
     }
     return result
 }
 
 /**
  * wgs84-》 Gcj02
  * @param lat
  * @param lon
  */
 export function wgsToGcj(wgsLat, wgsLon) {
     let PI = 3.14159265358979324;
     function delta(lat, lon){
     const a = 6378245.0; //  a: 卫星椭球坐标投影到平面地图坐标系的投影因子。
     const ee = 0.00669342162296594323; //  ee: 椭球的偏心率。
     let dLat = transformLat(lon - 105.0, lat - 35.0);
     let dLon = transformLon(lon - 105.0, lat - 35.0);
     const radLat = lat / 180.0 * PI;
     let magic = Math.sin(radLat);
     magic = 1 - ee * magic * magic;
     const sqrtMagic = Math.sqrt(magic);
     dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * PI);
     dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * PI);
     return { 'lat': dLat, 'lon': dLon };
   }
   function outOfChina (lat, lon) {
     if (lon < 72.004 || lon > 137.8347)
       return true;
     if (lat < 0.8293 || lat > 55.8271)
       return true;
     return false;
   }
   function transformLat(x,y){
     let ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * Math.sqrt(Math.abs(x));
     ret += (20.0 * Math.sin(6.0 * x * PI) + 20.0 * Math.sin(2.0 * x * PI)) * 2.0 / 3.0;
     ret += (20.0 * Math.sin(y * PI) + 40.0 * Math.sin(y / 3.0 * PI)) * 2.0 / 3.0;
     ret += (160.0 * Math.sin(y / 12.0 * PI) + 320 * Math.sin(y * PI / 30.0)) * 2.0 / 3.0;
     return ret;
   }
   function transformLon(x,y){
     let ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * Math.sqrt(Math.abs(x));
     ret += (20.0 * Math.sin(6.0 * x * PI) + 20.0 * Math.sin(2.0 * x * PI)) * 2.0 / 3.0;
     ret += (20.0 * Math.sin(x * PI) + 40.0 * Math.sin(x / 3.0 * PI)) * 2.0 / 3.0;
     ret += (150.0 * Math.sin(x / 12.0 * PI) + 300.0 * Math.sin(x / 30.0 * PI)) * 2.0 / 3.0;
     return ret;
 
   }
 
   let d = delta(wgsLat, wgsLon);
   if (outOfChina(wgsLat, wgsLon)){
     return { 'lat': wgsLat, 'lon': wgsLon };
   }else{
     return { 'lat': wgsLat + d.lat, 'lon': wgsLon + d.lon };
   }
 }
 
 /**
  * 全角转换为半角函数
  */
 export function toCDB(str) {
   let tmp = "";
   for (var i = 0; i < str.length; i++) {
     if (str.charCodeAt(i) > 65248 && str.charCodeAt(i) < 65375) {
       tmp += String.fromCharCode(str.charCodeAt(i) - 65248);
     } else {
       tmp += String.fromCharCode(str.charCodeAt(i));
     }
   }
   return tmp
 }
 